Conservation Services Group

CSG relies on a wide network of partners to address the complex challenges of energy efficiency and renewable energy. We forge strategic partnerships with organizations with shared values and complementary abilities—expanding our potential and letting us offer complete solutions to our clients. We leverage local expertise. And we continually look for new opportunities for partnership and collaboration.

Partner Focus

For almost 20 years, CSG has worked with Energy Federation Inc. (EFI) of Westborough, MA—a wholesale supplier of lighting, water, and energy-conservation materials. EFI serves utilities, state agencies, builders, and contractors for residential demand-side management programs. Working together, we are committed to designing and delivering effective energy efficiency programs—on time and within budget.

When you need advice and services that can increase energy efficiency, the choice is clear—CSG.